Trailer hitch draw bar assembly



FIG. 1 is a perspective view of a trailer hitch draw bar assembly, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing of the trailer hitch draw bar assembly is for the purpose of illustrating article and forms no part of the claimed design. 

CLAIM The ornamental design for a trailer hitch draw bar assembly, as shown and described. 